baber/WOPTO huggingface dataset:
Patent GB-1435537-A (GB)
Title: Rectifier
IPC: G03G5/082
Filed: 1973-06-19
Abstract: 1435537 Selenium rectifiers STANDARD TELEPHONES & CABLES Ltd 13 June 1974 [19 June 1973] 28929/73 Heading H1K [Also in Division C7] A selenium rectifier comprises a metal plate base electrode 1 upon one side of which are deposited in succession one or more electroplated metal layers 2-4 different to that of the base electrode 1, a layer 5 of amorphous selenium, a layer 6 of selenuim with a halogen additive, a layer 7 of selenium with a halogen additive and a metallic dopant, and a metal counter electrode layer 8, wherein all the selenium layers 5-7 are deposited eletrophoretically. The layers 2-4 are Ni, Cd and Tl respectively on an Al electrode 1. The halogen is Cl and the metallic dopant is Ga or In. The layer 8 is a sprayed on Sn/Bi or Sn/Bi/In alloy. The layers 5-7 are deposited using three different sols. A first sol. for the layer 5 is prepared by chemical reduction of a methanolic solution of selenons acid containing a trace of selenium dioxide. The second and third sols. for the layers 6 and 7 respectively are prepared by grinding selenium with additive and additive plus dopant respectively and passing it through a colloid mill with a dispersant liquid and a surfactant. The sol. is diluted with methanol, hydrogen peroxide and benzaldehyde and allowed to settle and the surplus liquid decanted and alcohol and an antiflocculating agent are added to it. A mixture of a small quantity of the first sol. and a large quantity of the second and third sol. are used to deposit the layers 6 and 7 respectively.
Patent GB-1189488-A (GB)
Title: Improvements in or relating to Mechanical Power Transmission Systems
IPC: F16H47/06
Filed: 1967-06-22
Abstract: 1,189,488. Variable speed gearing. CITROEN S.A. (Automobiles Citroen, Berliet, Panhard). 22 June, 1967 [27 June, 1966], No. 28957/67. Heading F2D. A variable speed gear comprises a hydrodynamic torque converter 101 having its output member connected to the input shaft 105 of a mechanical continuously variable speed gear 102, the ranges of reduction ratio D c , D v  of the torque converter and mechanical gear respectively being such that the values of ratio D v /D c  at the extremes of the range of overall ratio lie between 0.6 and 1.5. As shown, a separating clutch 123 is included between the torque converter output and the input of the mechanical gear 102. For forward drive, a double clutch 124 connects the input shaft 105 to a shaft 106 driving a primary shaft 108 via gears 107. The gear 102 includes two similar interpenetrating disc stages in series. Shaft 108 carries friction discs 109 interleaved between rings 110 splined to a casing 111 which in turn is splined to a shaft 112 carrying friction discs 109 interleaved with a second set of rings 110 splined in a ring 113 which is splined to an output shaft 118. Casing 111 and shaft 112 are rotatably mounted in an arm 122 pivoted at 117 to the gear housing. To vary the ratio of gear 102 the arm 122 is pivoted in one or other direction by opposed fluid actuated rams 116. For reverse, a pinion is clutched to shaft 105 by clutch 124 to drive the output shaft 118 directly through meshed gears (119), (Fig. 4, not shown), the friction gearing being bypassed. In Fig. 2 (not shown), a torque converter (1) drives a toric disc type of continuously variable speed gear (2), the inclination of two sets of idler rollers (11, 12) being adjustable in unison to vary the gear ratio.
Patent GB-839703-A (GB)
Title: Improvements in or relating to a shirt or like garment
Inventor: WINSTANLEY DAVID
IPC: A41B1/00
Filed: 1957-09-14
Abstract: 839,703. Shirts. YATES Ltd., J. Oct. 13, 1958 [Sept. 14, 1957], No. 28985/57. Class 141 In a shirt &c. wherein the back portion, or a separate yoke attached thereto, has an integral extension 10b forming the shoulders and upper part of the front portion, the warp and weft threads in the extension 10b are inclined with respect to the vertical opening 16. The lower edge of the extension is of shallow V-shape and, in a shirt with a separate yoke, the lower edge of the back of the yoke may have a similar V-shape or it may be horizontal. The mouth of a pocket may be formed in the seam 13 connecting the extension to the main front portion. A toggle fastening 19 engages in inclined buttonholes on opposite sides of the front opening. Specification 839,704 is referred to.
Patent GB-1086431-A (GB)
Title: Flame treatment of defects on billets, ingots, slabs and the like
Inventor: PFEUFFER ALFRED
IPC: B23K7/00
Filed: 1965-07-08
Abstract: 1,086,431. Flame desurfacing. MESSER GRIESHEIM G.m.b.H. July 5, 1966 [July 8, 1965], No. 29074/65. Heading B3V. [Also in Division G3] A flame desurfacing apparatus is controlled so as selectively to remove defects from the surfaces of workpieces, by dividing the workpiece surface into reference areas, recording the position of these areas and of any with defects therein on an information carrier, and using the latter to control the desurfacing apparatus. The depth of any defects may be also recorded for subsequent control of the oxygen supply to the burner. The workpiece surface is divided into reference areas by a metal net spread over the surface or by a network projected thereon by light beams. The information is then stored on a punched card, perforated tape or magnetic tape which may be fed into a computer controlling the apparatus. The workpiece may have a circular or rectangular cross-section.
Patent GB-953276-A (GB)
Title: Rotary plastics kites
IPC: B64C31/06
Filed: 1962-07-30
Abstract: 953,276. Flying toys. K. SAMS. July 30, 1962, No. 29114/62. Heading A6S. [Also in Division B7] A kite comprises an S-shaped cross-section wing 1 with at least one stabilizer disc 2 both made of rigid foam plastics material, the stabilizer disc either being moulded in one piece to the wing, or moulded separately with a centre slot to push fit over the wing, a rod 3 and swivel means 4, 5 to which the string 6 is attached. Two discs may be provided.
Patent GB-653593-A (GB)
Title: Improvements relating to pneumatic pressure motors and apparatus combined with the same
IPC: B60S1/10
Filed: 1948-11-09
Abstract: 653,593. Vacuum engines; valve gear. TRICO-FOLBERTH, Ltd., and BROWN, W. H. Nov. 9, 1948, No. 29117. [Classes 122(ii) and 122(iii)] In a pneumatic motor comprising a cylinder 1 and piston 3 reciprocable therein, one side of the piston is subject to the action both of a spring 6 and of a source 7 of vacuum which acts in opposition to the spring 6 and is continuously in communication with the cylinder 1 and means operated by the piston are provided whereby the cylinder on the said side of the piston is alternately open and closed to the atmosphere. Supply of air to the cylinder end containing the spring 6 and vacuum inlet pipe 7 is controlled by an atmospheric valve having a stem 9 loosely fitting a bore in the cylinder head 5 and a head 18 and washer 19 which seats in the cylinder head, the valve being operated by discs 10, 11 attached to either end of a sleeve 8 slidably mounted for limited movement on the piston rod 4 and having between its ends a double conical collar 13 which acts as a snap action device with spring-urged balls 14 in radial grooves in the cylinder head. In the position shown the atmospheric valve is open, the piston 3 moves inwards under the influence of the spring 6 carrying the sleeve 8 with it and at a predetermined position the collar 13 engages the balls 14 and moves them apart against the action of their springs 15 until the apices of the collars contact the balls after which the sleeve is moved rapidly along the piston rod and the disc 11 contacts the head 18 of the atmospheric valve and closes it. The said cylinder end is then closed to atmosphere and when the vacuum therein is sufficiently restored the piston moves in the reverse direction overcoming the spring 6 and carrying the sleeve 8 with it, until after a given time the snap action again takes place causing the disc 10 to contact valve stem 9 and open the atmospheric valve and the cycle of operations is repeated. The opposite end of the cylinder to that containing the spring 6 is provided with an air breather hole (not shown), which is, preferably, adjustable so that the piston speed may be controlled. The size of the vacuum inlet 7 may also be adjustable.
Patent GB-1194506-A (GB)
Title: Process and apparatus for the production of a Fancy Yarn
IPC: D02G1/16
Filed: 1968-06-19
Abstract: 1,194,506. Knop yarns. SOC CRYLOR. 19 June, 1968 [22 June, 1967], No. 29154/68. Headings D1F and D1W. A process for the production of a knop yarn comprises introducing a core yarn and a cover yarn into a zone of turbulence, said core yarn being fed at a higher tension than the cover yarn, intermittently introducing a fluid into said zone to cause turbulence which simultaneously exerts suction on said cover yarn so that the knop effect is produced by overfeeding the cover yarn and looping it on the core yarn, and withdrawing the knop yarn from said zone. Apparatus for carrying out the process comprises a substantially rectilinear duct 12 for passage therethrough of the core yarn, and including the zone of turbulence, a second duct 13 for introducing the covering yarn and forming an acute angle with the duct 12 downstream of the zone of turbulence, and means for intermittently introducing fluid into the zone to apply suction to and cause looping of the covering yarn to produce the desired knop effect. The fluid is introduced through a duct 11 into an annular chamber having angularly directed openings 14 into the turbulent zone 15. The fluid is preferably a gas e.g. compressed air. A further yarn may also be introduced into the zone with the cover and core yarns, which cover and core yarns are preferably multifilament yarns. The fluid introduction is preferably effected at regular time intervals. The knop yarn produced may be twisted.
Patent GB-1127984-A (GB)
Title: Preparation of perchlorinated aromatic polyisocyanates
IPC: C07C263/16
Filed: 1966-06-29
Abstract: 1,127,984. Perchlorinated aromatic polyisocyanates. OLIN MATHIESON CHEMICAL CORP. 29 June, 1966 [27 July, 1965], No. 29221/66. Heading C2C. [Also in Division C3] Aromatic polyisocyanates are perchlorinated by reaction with Cl 2  in presence of an inert organic solvent of higher b.p. than the product. It is preferred to use a catalyst, e.g. FeCl 3 , AlCl 3  or SbCl 3 , and, as the solvent, a chlorinated biphenyl, terphenyl or naphthalene. Specified reactants are 1,3- and 1,4-phenylene diisocyanates; 2,4- and 2,6-tolylene diisocyanates; 1 - trichloromethyl - 2,4 - phenylene diisocyanate, 4,41 - biphenylene diisocyanate, 4,4<SP>1</SP>,4<SP>11</SP>-tri. phenylmethane triisocyanate and 1,5-naphthylene diisocyanate.
Patent GB-188324-A (GB)
Title: Improvements in tennis court and other line markers
IPC: A63C19/08
Filed: 1922-10-27
Abstract: 188,324. Chisholm, F. K. Nov. 3, 1921, [Convention date]. Lawn-tennis and like markers.-A portable line-marking machine for tennis courts and the like, comprises a liquid receptacle, a feed wheel revoluble therein, an inclined shoot in contact with the feed wheel, and a rotatable brush in contact with the shoot adapted to project the liquid on to the ground as the bristles leave the end of the shoot. The feed wheel 18 is rotated by chain gearing from a ground wheel 10, and the brush 14 is driven in a contrary direction by a gear connection with a second ground wheel at the other side of the liquid receptacle 7. The brush is situated within a recess outside the tank, and the liquid is transferred from the periphery of the feed wheel 18 to a pivoted channel member 37 having its lower end projecting over the shoot 26, Fig. 3, adjustably pivoted upon pins 27. The brush 14 picks up a quantity of liquid and the bristles on leaving the end of the shoot, unflex and project the liquid on to the ground. The sides 29 of the shoot are splayed outwardly at the lower end. The channel member 37 may be dispensed with in which case the liquid is transferred directly to the shoot 26.
Patent GB-354109-A (GB)
Title: Methods of and apparatus for testing the brakes of vehicles
IPC: G01L5/28
Filed: 1930-10-01
Abstract: 354,109. Testing vehicle brakes dynamometrically. TECALEMIT, Ltd., Mitre House, Scrubbs Lane, Willesden, London. Oct. 1, 1930, No. 29432. Convention date, Dec. 13, 1929. [Class 106 (ii).] A method of testing vehicle brakes by measuring as the fraction of the load, the effort applied to the rim to turn a wheel when braked consists in measuring for each wheel the tangent of the angle with the horizontal which is made by an inclined plane on which a member supporting the braked vehicle is kept in equilibrium by an effort applied to the vehicle. The vehicle is run over ramps 3 on to a device comprising four platforms 1a .. 1d one for each wheel each platform being provided with four rollers 5 adapted to roll on curvilinear cheeks 6 provided on fixed longitudinal members 7. Two rods 10 are pivoted to a spindle 9 carried in brackets 8 the other ends of the rods being pivoted to a cylinder 11 to which compressed air is supplied by a pipe 14 from a compresser 13. The rod 15 of the piston 12 terminates in a hook 16 to which is connected by any suitable means the vehicle V to be tested. The platforms 1a .. 1d are connected to flexible cables 20a .. 20d which after passing through tubes 21a .. 21d are connected to the lower ends of indicator rods 26 the outer ends of which are guided in slots 25 in a casing T having a glass face. The glass face can be provided with graduations representing the efficiency of the brake as a fraction of the tangents of the angles formed with the horizontal by the tangents at different points of the curve of the cheeks 6. Normally the springs 30 of the indicator are compressed. In use, the vehicle is run on to the platforms and the hook 16 attached. The compresser is started and the brakes applied. The platforms move and the indexes 26 move up under the action of the springs. If one vehicle wheel commences to turn the corresponding indicator remains stationary. The corresponding brake should then be adjusted. The brakes on one axle could be given a different co-efficient of efficiency from those on the other axle if desired.
Patent GB-793322-A (GB)
Title: Improvements in or relating to means of securing electric cables to support surfaces
Inventor: BELLIS SAMUEL
IPC: F16L3/223
Filed: 1955-10-18
Abstract: 793,322. Wall and like brackets. BRITISH INSULATED CALLENDER'S CABLES, Ltd. Oct. 18, 1956 [Oct. 19, 1955], No. 29712/55. Class 52(5) [Also in Group XXXVI] A bracket for securing a pipe, electric cable &c. to a support surface comprises a rigid base 7 having a hole therein for a securing nail or screw 18, a pair of spaced side walls 8 projecting from one side of the base and two or more feet 9 projecting from the other side. The base may be suitably shaped to accommodate one or more pipes or cables 19. After securing the bracket to a support 17 and positioning the pipes or cables, the side walls are bent over to secure the pipes or cables either by hammering or by means of a plier-like tool.
Patent GB-657139-A (GB)
Title: Brush-cleaning apparatus
IPC: A45D24/46
Filed: 1948-11-16
Abstract: 657,139. Brush cleaning apparatus. CRAPPER, E. H. Nov. 16, 1948, No. 29723. [Class 19] A brush cleaning machine particularly for the cleaning of hair brushes in a barber's saloon comprises a container for an appropriate liquid such as a perfumed disinfectant liquid which is applied to the lower portion of a brush rotatable in the container about a horizontal axis, the container having an opening through which a brush to be cleaned can be entered to be held in engagement with the rotary brush above the level of the liquid, and a comb coacting with the latter brush. In the drawings, the container 11 has a low level of the liquid 12 in the bottom. The rotary brush is carried on a spindle 16 provided with a handle 18. The front wall has an opening through which the brush 15 to be cleaned is inserted until it reaches a stop 20, Fig. 4, to engage the top of the rotary brush. The top wall 23 of the casing has a central fore and aft thickened portion 24' covered by a sheet of rubber 25 to form a support for the back of the brush 15. A fixed comb 27 extends into the bristles of the cleaning brush. This comb is fast with a detachably held plate 30 which coacts with an opening 31 in the back wall 2. The stop 20 may be fast with a pin 39 held against rotation in and movable along a slot 40 the pin being clamped in position by a nut 41. If the brush to be cleaned has no handle it may be manually held by a detachable clamp having a handle or the top wall 23 of the casing may be detachable and formed with a spring clamp to hold the brush base when slid thereinto. In an alternative form (not shown), two brushes are held in engagement with the cleaning brush at the same time two openings being provided in the front wall or use may be made of a detachable lid as above. Instead of the rotary cleaning brush itself dipping into the liquid 12 the latter may be applied by means of a partially inmmersed roll 38 journalled in the end walls of the casing and in frictional contact with the rotary brush.
Patent GB-967793-A (GB)
Title: Improvements in or relating to apparatus for use by fishing vessels
Inventor: CORLETT EWAN CHRISTIAN BREW
IPC: B63B35/24
Filed: 1959-09-01
Abstract: 967,793. Floating containers. HYDROCONIC Ltd Sept 1, 1960 [Sept 1, 1959], No 29795/59. Heading B7A. [Also in Division B8] A floating fish container comprises a watertight cargo section 1 and a lower section 2 having permanent ballast 5 and holes 3 and 4 to allow water to enter and air to escape. Hatches 6 and 7 allow the cargo to be loaded and unloaded and eyebolts 17 and 18 allow a drogue and a similar container to be connected. A radar reflector 15 and identification number 16 are supported by a steel mast 14. A plurality of containers 22 can be disposed in the hold 21 of a stern trawler to be filled by a movable hopper 23 and handled by a travelling davit 19 and electromagnet 24, a metal plate 9 being disposed in the top of the container. The container is made of plastic reinforced with glass-fibre and strengthened by metal bands 11 connected to the plate 9 and a bottom plate 12. The container may be metal. Application No. 24278/60 and Specification 936,824 are referred to.
Patent GB-152959-A (GB)
Title: Improvements in or relating to propellers, turbines and the like
IPC: B63H3/00
Filed: 1920-10-22
Abstract: 152,959. Boccaccio, P. Oct. 25, 1919, [Convention datel. Void [Published under Sect. 91 of the Act]. Radial flow (bladed) type; regulating. - The pitch and diameter of the blade elements of propellers and turbines are automatically effected by centrifugal force. At the root of each blade H<1>, Fig. 1, are projections x<1>, y<1> z<1>, t<1> Fig. 2, which slide in helical grooves under centrifugal force but are restrained by springs R<1>. In the outermost position, the arms come up against a resilient pad C. A pin R is adapted to hold the blades positively in any desired position. When the driving motor stops, the propeller is declutched therefrom. In a modification for turbines, Figs. 3 and 4, blades as a<1>- - a<4> or a hollow boss a are acted on by air currents directed thereto through fixed deflectors m - - m<4>, these air currents passing a central deflector n which deflects them on to the remaining blades a<5>, a<6>, a<7>. The blades may be altered in pitch and diameter in a manner similar to that employed in the screw propeller. The turbine has an outer fixed casing b - - b<3>.
Patent GB-1095676-A (GB)
Title: Positioning structure for electron guns
IPC: H01J29/82
Filed: 1965-07-14
Abstract: 1,095,676. Cathode-ray tubes. SYLVANIA ELECTRIC PRODUCTS Inc. July 14, 1965 [July 14, 1964], No. 29916/65. Heading H1D. A gun assembly 15 for an electron discharge device, e.g. a cathode-ray tube, is supported within the neck portion of the tube by a plurality of substantially non-resilient positioners 17 which extend from the gun assembly towards the inner surface of the neck portion, each of the positioners engaging the inside of the wall along two spaced longitudinally extending areas. Each of the positioners has three channel-shaped members 19, the rounded corners of the base of each member engaging the inside of the wall. Alternatively, the flanges of the channel members may extend radially away from the tube axis with the edges of the flanges contacting the neck portion, the crosssection of the channel members being rectangular, Fig. 3 (not shown) or arcuate, Fig. 4 (not shown).
Patent GB-469755-A (GB)
Title: Improvements in and relating to electric, astatic regulating arrangements
IPC: H01J31/12
Filed: 1935-10-30
Abstract: 469,755. Automatic control systems. AKT.-GES. BROWN, BOVERI, & CIE. Oct. 30, 1935, No. 29934. Void. Convention date, Oct. 30, 1934. [Class 38 (iv)] In order to maintain constant the continuous current voltage in a network n<1>, supplied by a rectifier a, a battery b is connected in the network as shown and the difference of potential at the points X, Y is applied between the cathodes of each of a series of single-anode hot-cathode rectifier tubes a<1>, and the star point X<1> of a transformer secondary t<2>. The anodes of the tubes al are connected, through current transformer primaries s<1> with another secondary t<1>, and the current transformer secondaries supply control potentials for the grids g of the rectifier a. An amplifier V may be included in the leads from X, Y. The electric discharge tube circuit shown in Fig. 4, may be interposed in the leads from XY. The potential across the points X Y is applied at X<2>, Y2 between the grid of a tube G<1> and a tapping on the anode resistance R<2> of the tube G<1>, and the grid of the tube G<2> is connected with a tapping on the anode resistance R<1> of the tube G<1>. The potential differences at X<3>, Y<3> are transferred to the points X<1>, Y<1>, Fig. 1. The application to inverter and other systems is suggested.
Patent GB-1202448-A (GB)
Title: Improvements in rolling mills
IPC: B21B13/14
Filed: 1968-06-24
Abstract: 1,202,448. Rolling. SOUTHERN CROSS STEEL CO. (PTY) Ltd. and C. M. FENWICK. 24 June, 1968 [30 June, 1967; 3 Aug., 1967], No. 29997/68. Heading B3M. A strip rolling mill includes a pair of work rolls 1 which are offset on opposite sides of a plane through a pair of backing rolls 2, and which are supported laterally by rolls 5. A series of eccentric saddles 7 permit the rolls 5 to be controllably bent to eliminate camber in the rolled strip.
Patent GB-857957-A (GB)
Title: Improvements in or relating to electric switchgear
Inventor: MANDERS PAUL
IPC: H02B11/20
Filed: 1958-09-19
Abstract: 857,957. Switchgear structures. GENERAL ELECTRIC CO. Ltd. Aug. 14, 1959 [Sept. 19, 1958], No. 30091/58. Class 38 (5). To make switch-gear of the character shown more compact, two earthing terminals 6, 7 are provided between a bus-bar terminal 5 and a circuit terminal 8, the spacing between the terminals 5 and 7 and between the terminals 6 and 8 being equal to the spacing between the circuitbreaker terminals 2 and 3. The circuit-breaker may be carried by a cradle 15 having bogies 16 running in rails 17 and may be lowered in the cradle by screw-jacks 18.